/* =========================================================
   INTELLFORGE TECHNOLOGIES — Design System (Light Theme)
   Palette:  navy-950 #F3F5F8 (alt-panel bg) | navy-900 #FFFFFF (base bg)
             navy-800 #EAEDF3 (deep panel/hover bg)
             steel-500 #6B7A8F (muted labels) | steel-300 #47576B (secondary text)
             steel-200 #263242 (primary body text) | white/ink #0B1220 (headings)
             cyan-400 #0284C7 (accent text/links) | cyan-300 #075985 (hover)
             forge-500 #E8791E (button/graphic accent) | forge-text #B5570D (text use)
   Display face: "Big Shoulders Display" (condensed / industrial)
   Body face:    "Inter"
   Utility/mono: "IBM Plex Mono" (specs, eyebrows, nav labels)
   Signature motif: hexagon (from the company mark) + machined
   / cut-edge dividers + hairline grid, standing in for the
   forged-steel, precision-engineering subject matter.
   ========================================================= */

:root{
  --navy-950:#F3F5F8;
  --navy-900:#FFFFFF;
  --navy-800:#EAEDF3;
  --navy-700:#DCE2EA;
  --steel-500:#6B7A8F;
  --steel-300:#47576B;
  --steel-200:#263242;
  --white:#0B1220;
  --ink:#0B1220;
  --cyan-400:#0284C7;
  --cyan-300:#075985;
  --forge-500:#E8791E;
  --forge-400:#F5993D;
  --forge-text:#B5570D;
  --line:rgba(11,18,32,0.10);
  --line-strong:rgba(11,18,32,0.20);
  --shadow:0 20px 50px rgba(15,23,42,0.08);
  --radius:3px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--navy-900);
  color:var(--steel-200);
  font-family:'Inter',system-ui,sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.01ms !important; transition-duration:0.01ms !important;}
}

h1,h2,h3,h4{
  font-family:'Big Shoulders Display',sans-serif;
  color:var(--white);
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:0.01em;
  line-height:1.05;
  margin:0;
}
h1{font-size:clamp(2.6rem,6vw,4.6rem);}
h2{font-size:clamp(1.9rem,4vw,2.9rem);}
h3{font-size:1.4rem;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
ul{margin:0;padding:0;list-style:none;}

.eyebrow{
  font-family:'IBM Plex Mono',monospace;
  font-size:0.75rem;
  letter-spacing:0.22em;
  text-transform:uppercase;
  color:var(--cyan-400);
  display:flex;
  align-items:center;
  gap:0.6em;
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:var(--cyan-400);
  display:inline-block;
}

.wrap{
  max-width:1180px;
  margin:0 auto;
  padding:0 28px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:'IBM Plex Mono',monospace;
  font-size:0.82rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  padding:14px 26px;
  border-radius:var(--radius);
  border:1px solid transparent;
  cursor:pointer;
  transition:all .18s ease;
}
.btn-primary{
  background:var(--forge-500);
  color:var(--ink);
  font-weight:700;
}
.btn-primary:hover{background:var(--forge-400); transform:translateY(-2px);}
.btn-outline{
  border-color:var(--line-strong);
  color:var(--white);
}
.btn-outline:hover{border-color:var(--cyan-400); color:var(--cyan-300);}

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(255,255,255,0.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 28px;
  max-width:1180px;
  margin:0 auto;
}
.brand{display:flex; align-items:center; gap:12px;}
.brand-mark{width:40px;height:40px;flex-shrink:0;}
.brand-text{font-family:'Big Shoulders Display'; line-height:1;}
.brand-text .b1{
  color:var(--white); font-weight:800; font-size:1.25rem; letter-spacing:0.02em;
}
.brand-text .b1 span{color:var(--cyan-400);}
.brand-text .b2{
  font-family:'IBM Plex Mono'; text-transform:uppercase;
  font-size:0.6rem; letter-spacing:0.24em; color:var(--steel-300);
}

nav.main-nav ul{display:flex; gap:34px;}
nav.main-nav a{
  font-family:'IBM Plex Mono';
  font-size:0.78rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  color:var(--steel-200);
  position:relative;
  padding:4px 0;
}
nav.main-nav a:hover, nav.main-nav a.active{color:var(--cyan-300);}
nav.main-nav a.active::after{
  content:""; position:absolute; left:0; bottom:-6px; width:100%; height:2px; background:var(--forge-500);
}
.header-cta{display:flex; align-items:center; gap:22px;}
.header-phone{
  font-family:'IBM Plex Mono'; font-size:0.82rem; color:var(--steel-300); display:flex; align-items:center; gap:8px;
}
.header-phone strong{color:var(--white); font-weight:600;}

.nav-toggle{
  display:none; background:none; border:1px solid var(--line-strong); border-radius:var(--radius);
  width:42px; height:38px; cursor:pointer; position:relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; position:absolute; left:11px; width:20px; height:2px; background:var(--white);
}
.nav-toggle span{top:18px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

@media (max-width:900px){
  .main-nav, .header-phone{display:none;}
  .nav-toggle{display:block;}
  .header-inner.open .main-nav{
    display:block; position:absolute; top:100%; left:0; right:0;
    background:var(--navy-900); border-bottom:1px solid var(--line); padding:20px 28px;
  }
  .header-inner.open .main-nav ul{flex-direction:column; gap:18px;}
}

/* ---------- Hex grid backdrop ---------- */
.hexfield{
  position:absolute; inset:0; z-index:0; opacity:0.6;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='84' height='96' viewBox='0 0 84 96'%3E%3Cpath d='M42 0 84 24 84 72 42 96 0 72 0 24Z' fill='none' stroke='%230284C7' stroke-opacity='0.16' stroke-width='1'/%3E%3C/svg%3E");
  background-size:84px 96px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,0.9), rgba(0,0,0,0));
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  background:radial-gradient(ellipse at 80% -10%, #E4F1FB 0%, var(--navy-950) 60%);
  padding:120px 0 100px;
  border-bottom:1px solid var(--line);
}
.hero-inner{position:relative; z-index:1; max-width:760px;}
.hero .eyebrow{margin-bottom:22px;}
.hero h1{margin-bottom:22px;}
.hero h1 .accent{color:var(--cyan-400);}
.hero p.lead{
  font-size:1.1rem; color:var(--steel-200); max-width:600px; margin-bottom:34px;
}
.hero-actions{display:flex; gap:16px; flex-wrap:wrap; margin-bottom:56px;}
.hero-strip{
  display:flex; gap:0; border-top:1px solid var(--line); padding-top:26px;
  flex-wrap:wrap;
}
.hero-strip .item{
  flex:1; min-width:150px; padding-right:24px; border-right:1px solid var(--line);
}
.hero-strip .item:last-child{border-right:none;}
.hero-strip .num{
  font-family:'IBM Plex Mono'; color:var(--forge-text); font-size:0.8rem; letter-spacing:0.1em;
}
.hero-strip .label{color:var(--white); font-size:0.95rem; margin-top:4px;}

/* ---------- Section shells ---------- */
section{position:relative; padding:96px 0;}
section.tight{padding:70px 0;}
.section-head{max-width:640px; margin-bottom:56px;}
.section-head h2{margin-top:16px;}
.section-head p{color:var(--steel-300); margin-top:16px; font-size:1.05rem;}
.on-navy{background:var(--navy-900);}
.on-navy-950{background:var(--navy-950);}
.on-panel{background:var(--navy-800);}

/* machined / cut-edge divider between sections */
.cut-edge{
  height:14px; width:100%;
  background:var(--navy-900);
  clip-path:polygon(0 100%, 3% 0, 8% 100%, 13% 0, 18% 100%, 23% 0, 28% 100%, 33% 0, 38% 100%, 43% 0, 48% 100%, 53% 0, 58% 100%, 63% 0, 68% 100%, 73% 0, 78% 100%, 83% 0, 88% 100%, 93% 0, 98% 100%, 100% 60%, 100% 100%);
}

/* ---------- Workflow (Design > Develop > Automate) ---------- */
.workflow{display:flex; gap:0; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden;}
.workflow .step{
  flex:1; padding:34px 30px; border-right:1px solid var(--line); position:relative;
}
.workflow .step:last-child{border-right:none;}
.workflow .step .n{font-family:'IBM Plex Mono'; color:var(--forge-text); font-size:0.85rem;}
.workflow .step h3{margin-top:14px;}
.workflow .step p{margin-top:10px; color:var(--steel-300); font-size:0.95rem;}
@media (max-width:800px){
  .workflow{flex-direction:column;}
  .workflow .step{border-right:none; border-bottom:1px solid var(--line);}
  .workflow .step:last-child{border-bottom:none;}
}

/* ---------- Hex icon frame ---------- */
.hexicon{
  width:56px; height:64px;
  position:relative;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:22px;
  flex-shrink:0;
}
.hexicon svg{width:100%; height:100%;}

/* ---------- Card grid ---------- */
.grid{display:grid; gap:1px; background:var(--line);}
.grid.cols-3{grid-template-columns:repeat(3,1fr);}
.grid.cols-2{grid-template-columns:repeat(2,1fr);}
@media (max-width:900px){ .grid.cols-3{grid-template-columns:repeat(2,1fr);} }
@media (max-width:640px){ .grid.cols-3, .grid.cols-2{grid-template-columns:1fr;} }

.card{
  background:var(--navy-900);
  padding:38px 32px;
  transition:background .18s ease;
}
.card:hover{background:var(--navy-800);}
.card h3{margin-bottom:6px;}
.card p{color:var(--steel-300); font-size:0.95rem; margin-top:10px;}
.card ul{margin-top:16px; display:flex; flex-direction:column; gap:8px;}
.card ul li{
  font-size:0.88rem; color:var(--steel-300);
  padding-left:16px; position:relative;
}
.card ul li::before{
  content:""; position:absolute; left:0; top:8px; width:6px; height:1px; background:var(--cyan-400);
}
.card .tag{
  font-family:'IBM Plex Mono'; font-size:0.7rem; letter-spacing:0.12em; text-transform:uppercase;
  color:var(--steel-500); margin-bottom:14px; display:block;
}

/* ---------- Why-choose / list-with-index ---------- */
.reason-list{display:flex; flex-direction:column;}
.reason-list .reason{
  display:flex; gap:26px; padding:26px 0; border-top:1px solid var(--line);
}
.reason-list .reason:last-child{border-bottom:1px solid var(--line);}
.reason-list .idx{
  font-family:'IBM Plex Mono'; color:var(--forge-text); font-size:0.85rem; min-width:34px; padding-top:4px;
}
.reason-list h3{font-size:1.15rem;}
.reason-list p{color:var(--steel-300); margin-top:8px; font-size:0.95rem; max-width:560px;}

/* ---------- Industries strip ---------- */
.industry-strip{display:flex; flex-wrap:wrap; gap:1px; background:var(--line);}
.industry-strip .ind{
  flex:1 1 150px; background:var(--navy-950); padding:28px 20px; text-align:left;
}
.industry-strip .ind span{
  font-family:'IBM Plex Mono'; font-size:0.7rem; color:var(--steel-500); letter-spacing:0.1em;
}
.industry-strip .ind h4{
  font-family:'Big Shoulders Display'; color:var(--white); text-transform:uppercase; font-size:1.15rem; margin-top:8px; font-weight:700;
}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(120deg,#EEF2F8,#E1EBF6);
  border-top:1px solid var(--line); border-bottom:1px solid var(--line);
  text-align:left;
}
.cta-band .wrap{display:flex; align-items:center; justify-content:space-between; gap:30px; flex-wrap:wrap;}
.cta-band h2{max-width:520px;}
.cta-band .actions{display:flex; gap:16px; flex-wrap:wrap;}

/* ---------- Footer ---------- */
footer{background:var(--navy-950); border-top:1px solid var(--line); padding:64px 0 26px;}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; margin-bottom:50px;}
@media (max-width:800px){.footer-grid{grid-template-columns:1fr 1fr;}}
.footer-grid h4{
  font-family:'IBM Plex Mono'; font-size:0.75rem; letter-spacing:0.14em; text-transform:uppercase;
  color:var(--steel-500); margin-bottom:18px;
}
.footer-grid ul{display:flex; flex-direction:column; gap:10px;}
.footer-grid a{color:var(--steel-300); font-size:0.92rem;}
.footer-grid a:hover{color:var(--cyan-300);}
.footer-about p{color:var(--steel-300); font-size:0.92rem; margin-top:14px; max-width:320px;}
.footer-bottom{
  border-top:1px solid var(--line); padding-top:24px; display:flex; justify-content:space-between;
  flex-wrap:wrap; gap:12px;
  font-family:'IBM Plex Mono'; font-size:0.75rem; color:var(--steel-500);
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{
  padding:80px 0 60px; border-bottom:1px solid var(--line);
  background:radial-gradient(ellipse at 90% 0%, #E4F1FB 0%, var(--navy-950) 60%);
  position:relative; overflow:hidden;
}
.page-hero .wrap{position:relative; z-index:1;}
.page-hero p.lead{color:var(--steel-300); max-width:620px; margin-top:18px; font-size:1.05rem;}
.breadcrumb{
  font-family:'IBM Plex Mono'; font-size:0.75rem; color:var(--steel-500); letter-spacing:0.08em;
  text-transform:uppercase; margin-bottom:18px;
}
.breadcrumb span{color:var(--cyan-400);}

/* ---------- Services accordion ---------- */
.accordion{border-top:1px solid var(--line);}
.acc-item{border-bottom:1px solid var(--line);}
.acc-head{
  display:flex; align-items:center; justify-content:space-between; gap:20px;
  padding:30px 0; cursor:pointer; background:none; border:none; width:100%; text-align:left;
}
.acc-head .left{display:flex; align-items:center; gap:22px;}
.acc-head .num{font-family:'IBM Plex Mono'; color:var(--forge-text); font-size:0.85rem;}
.acc-head h3{font-size:1.5rem;}
.acc-head .plus{
  font-family:'IBM Plex Mono'; color:var(--cyan-400); font-size:1.3rem; flex-shrink:0; transition:transform .2s ease;
}
.acc-item.open .plus{transform:rotate(45deg);}
.acc-body{
  max-height:0; overflow:hidden; transition:max-height .3s ease;
}
.acc-item.open .acc-body{max-height:600px;}
.acc-body-inner{padding:0 0 34px; display:grid; grid-template-columns:1fr 1fr; gap:12px 40px;}
@media (max-width:700px){.acc-body-inner{grid-template-columns:1fr;}}
.acc-body-inner .sub{
  font-size:0.94rem; color:var(--steel-300); padding-left:18px; position:relative; padding-top:2px; padding-bottom:2px;
}
.acc-body-inner .sub::before{content:"—"; position:absolute; left:0; color:var(--cyan-400);}

/* ---------- Contact ---------- */
.contact-grid{display:grid; grid-template-columns:1fr 1fr; gap:60px;}
@media (max-width:850px){.contact-grid{grid-template-columns:1fr;}}
.info-row{display:flex; gap:18px; padding:22px 0; border-top:1px solid var(--line);}
.info-row:last-child{border-bottom:1px solid var(--line);}
.info-row .k{font-family:'IBM Plex Mono'; font-size:0.72rem; letter-spacing:0.12em; text-transform:uppercase; color:var(--steel-500); min-width:110px; padding-top:2px;}
.info-row .v{color:var(--white); font-size:1rem;}
.info-row .v a:hover{color:var(--cyan-300);}

.form-field{margin-bottom:20px;}
.form-field label{
  display:block; font-family:'IBM Plex Mono'; font-size:0.72rem; letter-spacing:0.1em; text-transform:uppercase;
  color:var(--steel-300); margin-bottom:8px;
}
.form-field input, .form-field textarea, .form-field select{
  width:100%; background:var(--navy-800); border:1px solid var(--line-strong); border-radius:var(--radius);
  color:var(--white); padding:13px 14px; font-family:'Inter'; font-size:0.95rem;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus{
  outline:2px solid var(--cyan-400); outline-offset:1px; border-color:var(--cyan-400);
}
.form-field textarea{resize:vertical; min-height:120px;}
.map-embed{border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; margin-top:30px;}
.map-embed iframe{width:100%; height:280px; border:0; filter:grayscale(0.15) contrast(1.02);}

:focus-visible{outline:2px solid var(--cyan-400); outline-offset:2px;}